Product Description
Elantas CONATHANE® EN-5338 is a two-component, unfilled, polyurethane system.
Features and benefits of CONATHANE® EN-5338
- UL94 V0 flame rating
- Cartridge-friendly 1:2 mix ratio by volume
- Low viscosity
Application of CONATHANE® EN-5338
CONATHANE® EN-5338 is used for potting and encapsulating of electrical and electronic assemblies.
Application / Curing Schedule
Combine EN-5338 Part A and EN-5338 Part B in the specified ratio. Mix the two components thoroughly in metal or glass containers using metal or glass stirrers. Degas the mixed system at room temperature under >27 in. Hg vacuum. Ensure the containers are large enough to accommodate frothing during the degassing process.
Cure for 7 – 10 days at 25°C / 77°F – or – 16 hours at 80°C / 176°F.
The cure schedules above are based on time after the unit reaches the specified temperature and are recommendations only. The user is responsible for determining the optimum cure conditions for their application.
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Typical Properties of Material as Supplied
|
Property |
Conditions |
Value |
|
|
|
|
CONATHANE® EN-5338 Part A Urethane Prepolymer |
CONATHANE® EN-5338 Part B Curative |
|
Viscosity |
25°C / 77°F |
6,000 cP |
140 cP |
|
Specific Gravity |
25°C / 77°F |
1.14 |
1.11 |
|
Appearance |
|
Amber |
Light Amber or Black |
|
Mix Ratio |
Parts by weight Parts by volume |
51 50 |
100 100 |
|
Flashpoint |
ASTM D93 |
> 94°C > 201°F |
> 94C > 201°F |
Typical Properties of Mixed Materials
|
Property |
Conditions |
Value |
Units |
|
Viscosity (initial) |
25°C / 77°F |
400 |
cP |
|
Work Life |
25°C / 77°F |
15 – 20 |
minutes |
Typical Physical Properties
|
Property |
Test Method |
Conditions |
Value |
Units |
|
Color |
Visual |
25°C / 77°F |
Light Amber or Black |
|
|
Shore Hardness |
ASTM D2240 |
25°C / 77°F |
A 40 |
|
|
Tensile Strength |
ASTM D412 |
25°C / 77°F |
220 |
psi |
|
Ultimate Elongation |
ASTM D412 |
25°C / 77°F |
160 |
% |
|
Tear Strength |
ASTM D624 |
25°C / 77°F |
40 |
pli |
|
Flammability |
UL94 |
3.0 mm |
V0 |
|
